CVE-2025-38286 pinctrl: at91: Fix possible out-of-boundary access
A missing check in the Linux kernel pinctrl driver allows out-of-bounds memory access, potentially leading to system crashes or arbitrary code execution.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-38286?
CVE-2025-38286 is a high-severity memory corruption vulnerability in Debian Debian Linux, published on 10 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
In the Linux kernel, the following vulnerability has been resolved:
pinctrl: at91: Fix possible out-of-boundary access
at91_gpio_probe() doesn't check that given OF alias is not available or something went wrong when trying to get it. This might have consequences when accessing gpio_chips array with that value as an index. Note, that BUG() can be compiled out and hence won't actually perform the required checks.
Weakness: CWE-125
Which versions are affected by CVE-2025-38286?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2025-38286?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2025-38286 being exploited?
There is no known exploitation of CVE-2025-38286 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2025-38286, DEBIAN-CVE-2025-38286, GHSA-h7xp-pvf5-qx4x, ROOT-OS-DEBIAN-11-CVE-2025-38286, ROOT-OS-DEBIAN-12-CVE-2025-38286, ROOT-OS-UBUNTU-2204-CVE-2025-38286 and 2 more.